Nguyen.Contact
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Nguyen Le Nguyen
Software Developer

about.md

Backend-focused Software Developer experienced in building scalable APIs and system components using Java, Spring Boot, and .NET. Strong interest in system architecture, performance optimization, and building reliable production systems. Eager to contribute to impactful engineering teams and grow as a backend engineer.

0906100204
nashnguyen1002@gmail.com
Ho Chi Minh City
Nguyen Le Nguyen portrait
01.

Technical Toolkit

Programming Languages

JavaC#TypeScriptJavaScriptC

Backend Development

Spring BootSpring SecurityJPA / HibernateASP.NET CoreREST API

Infrastructure & DB

MySQLSQL ServerMongoDBDockerAWS ECSLinux
02.

Engineering Projects

microservices_ecommerce.java
Feb 2026 — Mar 2026

Ecommerce Microservices

A self-learning microservices project simulating an ecommerce platform with distributed services for product, order, and user management.

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Architected a distributed ecommerce backend with 5 Spring Boot 3.2 microservices and an API Gateway (JWT auth, Redis rate limiting, Resilience4j circuit breakers).

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Implemented the Saga pattern via Apache Kafka across 3 topics to orchestrate distributed order/inventory transactions with eventual consistency.

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Built a secure Auth Service with JWT access/refresh token rotation, Redis-based token blacklisting, and 8+ RESTful APIs with global exception handling and pagination.

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Containerized the full platform with Docker Compose including MySQL, Redis, Kafka, and Zookeeper for reproducible development environments.

SYSTEM_STACK

JavaSpring BootSpring JPASpring SecurityJWTOAuth2Apache KafkaAWS ECS
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dental_clinic_booking.cs
May 2024 — Aug 2024

Dental Clinic Booking

An appointment system for a dental clinic.

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Implemented authentication and authorization using JWT and OAuth2.

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Integrated VNPAY API for secure and seamless payment processing.

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Designed and maintained the database schema and backend business logic.

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Built and documented RESTful APIs for appointment scheduling, user management, and billing.

SYSTEM_STACK

ReactTypeScriptMUIJestASP.NET CoreSQL ServerAWS S3VNPAY
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03.

Professional Journey

Software Developer @ 1Byte Software

Jan 2025 — Dec 2025
  • -Contributed to a Scrum team developing .NET APIs and integrating front-end features using React.
  • -Implemented UI components with cross-browser compatibility based on design requirements.
  • -Optimized SQL Server queries and stored procedures, reducing API response time to under 500ms.
  • -Used Firebase for real-time data handling and authentication.
  • -Participated in sprint planning and feature discussions throughout the development lifecycle.

Intern Software Developer @ FPT Software — SCM.DMS

Sep 2024 — Dec 2024
  • -Developed custom JavaScript parsers to convert legacy RPG code into Java and Spring Boot services.
  • -Built WinForms (.NET) tools to support migration testing between RPG and Java modules.
  • -Collaborated with a cross-functional team to modernize IBM legacy systems into scalable Spring Boot services.